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How to Fix a Problem With Your Hyundai i20 Key Fob
Hyundai I20 owners can lock and unlock their vehicles remotely. They can also start their vehicle ahead of time and check key-fob functions through a mobile application on their smartphone.
Sometimes the key fob might cease to function. This could be due to the battery being dead or water damage, or even signal interference.
Battery
Hyundai has developed a smart key fob that is able to perform a variety of remote functions, including locking and unlocking your doors, starting your car and even triggering the panic button. It's an ideal way to save time and energy for drivers, but can be a hassle if it doesn't work as intended. If you're experiencing difficulty getting your Hyundai i20 key fob to perform as it should There are a variety of things you can try to solve the issue.
The first step is checking the battery. The majority of smart key fobs have batteries that are coin-cell and is replaced in minutes. This is usually the quickest and most affordable way to solve the issue. You can find replacement batteries at most stores as well as online. Re-open the keyfob after installing the new battery in order to confirm that the battery is in its correct location and that it is in contact with all connections.

Make sure to take a picture or make a note of where the old battery was placed in the circuit board prior removing it. This will allow you to install the new battery in the same way. The majority of Hyundai smart key fobs utilize batteries that are CR2032, which are found in many shops and online. Close your key fob after installing the battery and test it.
Contacts
If your Hyundai key fob stopped working from the white of the night and you haven't lost it, you could be dealing with a defective internal chip. The receiver module inside your vehicle utilizes a radio frequency signal to communicate with the remote control, therefore it is possible that the signals are disrupted by nearby transmitters or objects, it may cause the key fob to stop functioning properly.
If you're looking for a smart way to unlock, lock and start your car during your Reno commute, you should consider the Hyundai Digital Key system. This innovative keyless system functions through an app on your smartphone, allowing you to share Digital Key access up to three people. This is useful when you are giving a friend the opportunity to take a ride or leaving your vehicle with valet service.
A dead battery is the main cause of an Hyundai i20's key fob not working. If yours is displaying signs of dying, like slow operation or not responding at all, it's time to replace the battery. While replacing your Hyundai keyfob battery is not difficult, you should be aware of a few things before beginning. The first step is to take note of the way that the old battery is laid inside the circuit board or snap a picture. This will help you place the new battery in the same position.
Water Damage
The rubber seals on the fob's key seal the electronic chip from water. If it survives a quick splash from a washing-machine, or an unintentional dip in light rain, it is unlikely to be damaged. If you dropped it in the ocean or in a pool the water could get into the seals, causing damage to the circuit board. This can be a costly repair.
The first step is drying the key fob completely. This can be accomplished in various ways. You can put it in a plastic bag and then cover it with silica gel packs that will suck the moisture out of it. You can also use uncooked rice Be careful not to be near it while it's still wet. It could be contaminated by the internal components.
Using hyundai car keys replacements or an electronic cleaner may also be helpful in cleaning the contacts on the circuit board. However, if the chip has been damaged, it's best to accept that you'll require a replacement key fob.
It's simple to replace the battery in your Hyundai key fob. The procedure is generally not messy. You can follow an YouTube video tutorial to help you with the process or consult your owner's manual. It's always a good idea keep a spare key fob on the go so that you are able to continue driving your car while waiting for the replacement key to arrive.
Diagnostics of a fault
If your check engine light comes on and a fault code is present it can be difficult to determine the issue without the help of a diagnostic scanner commonly called an OBD 2. These are available in Bluetooth versions that connect to your phone, or standard models that have an attached reader.
One of the most common problems with i20s is that the throttle position sensor (TPS) develops a fault. This sensor is used to determine the opening angle of the throttle valve. The data is sent to the control unit that contributes to the calculation for the amount of fuel required. A damaged throttle sensor can cause jerky acceleration, RPM fluctuations and a reduction in engine performance.
Transmission problems are a common issue in i20s. The transmission is a complex part that has a lot of gears that connect to transfer power from the engine. Over time the friction between gears can cause the transmission's failure. Grinding or clunking sounds and the jerky acceleration can be signs of an unreliable gearbox.
The spark plugs of the i20 are another frequent problem area. The problem with defective spark plugs is that they can harm the engine by not delivering the right amount of sparks to the cylinders. A damaged spark plug could cause costly and serious engine damage if left unchecked.